During the six months ended September 30, 2023, the increase in the Company’s goodwill primarily related to the Inmarsat Acquisition (see Note 4 — Acquisition for more information) and foreign currency translation effect recorded within all three of the Company's segments. During the six months ended September 30, 2022, the decrease in the Company’s goodwill relating to its continuing operations primarily related to a foreign currency translation effect recorded within all three of the Company’s segments.

Other acquired intangible assets are amortized using the straight-line method over their estimated useful lives of two to 20 years (which approximates the economic pattern of benefit). Amortization expense related to other acquired intangible assets was $81.4 million and $7.4 million for the three months ended September 30, 2023 and 2022, respectively, and $109.2 million and $14.9 million for the six months ended September 30, 2023 and 2022, respectively.

The expected amortization expense of amortizable acquired intangible assets may change due to the effects of foreign currency fluctuations as a result of international businesses acquired. The current and expected amortization expense for acquired intangible assets for each of the following periods is as follows:


	Amortization
	(In thousands)
For the six months ended September 30, 2023	$	109,185

Expected for the remainder of fiscal year 2024	$	161,981
Expected for fiscal year 2025		322,731
Expected for fiscal year 2026		322,579
Expected for fiscal year 2027		322,579
Expected for fiscal year 2028		307,594
Expected for fiscal year 2029		252,656
Thereafter		1,081,717
	$	2,771,837